A thin, circular, metallic or nonmetallic item with a flat or prebulged cross-sectional shape, designed to rupture at a predetermined pressure to prevent damage to hydraulic or pneumatic systems, or the like. It may include multiple pieces, such as a retainer ring, disk and vacuum support. It can be used independently or as a component part of a head, safety, pressure relief. For items furnished with a holder, see head and disk, safety, pressure relief. For items without a rupture pressure rating, see disk, solid, plain. Excludes diaphragm, valve, flat; diaphragm, valve, special shaped; disk, valve; and insulator, disk.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 7035-00-529-3128
NSN 6240-00-228-8594
NSN 6320-00-456-0836
NSN 6150-01-292-7885
NSN 6135-01-560-8130
NSN 6650-00-296-4670
NSN 6135-01-056-4609
NSN 5855-01-147-6024
NSN 6240-00-027-9931
NSN 5945-00-707-3384
NSN 6220-00-159-2509
NSN 5915-01-089-7554